NVIDIA GeForce RTX 4080 vs NVIDIA GeForce GTX 680
GPU · Specs Compare
Graphics Card
Release Date
Sep 2022
Mar 2012
Generation
GeForce 40
GeForce 600
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
2205 MHz
1006 MHz
Boost Clock
2505 MHz
1058 MHz
Memory Clock
1400 MHz
1502 MHz
Memory
Memory Size
16GB
2GB
Memory Type
GDDR6X
GDDR5
Memory Bus
256bit
256bit
Bandwidth
716.8GB/s
192.3GB/s
Render Config
SM Count
76
—
Shading Units
9728
1536
TMUs
304
128
ROPs
112
32
Tensor Cores
304
—
RT Cores
76
—
L1 Cache
128 KB (per SM)
16 KB (per SMX)
L2 Cache
64 MB
512 KB
Theoretical Performance
Pixel Rate
280.6 GPixel/s
33.86 GPixel/s
Texture Rate
761.5 GTexel/s
135.4 GTexel/s
FP16 (half)
48.74 TFLOPS
—
FP32 (float)
48.74 TFLOPS
3.250 TFLOPS
FP64 (double)
761.5 GFLOPS
135.4 GFLOPS
Graphics Processor
GPU Name
AD103
GK104
GPU Variant
AD103-300-A1
GK104-400-A2
Architecture
Ada Lovelace
Kepler
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
45.9 billion
3.54 billion
Die Size
379 mm²
294 mm²
Board Design
TDP
320W
195W
Suggested PSU
700 W
450 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
1x 16-pin
2x 6-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.3
1.2.175
CUDA
8.9
3.0
Shader Model
6.7
6.5 (5.1)
Benchmark
3DMark Time Spy
28,173
—
3DMark Time Spy Extreme
14,002
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.